l10n: sv.po: Update Swedish translation (5570t)

[nafmo]

Thanks for taking the time to contribute to Git! Please be advised that the
Git community does not use github.com for their contributions. Instead, we use
a mailing list ([email protected]) for code submissions, code reviews, and
bug reports. Nevertheless, you can use GitGitGadget (https://gitgitgadget.github.io/)
to conveniently send your Pull Requests commits to our mailing list.

Please read the "guidelines for contributing" linked above!

[github-actions]

Errors and warnings found by git-po-helper in workflow #494:

------------------------------------------------------------------------------
INFO [po/sv.po@2d10804]	5570 translated messages. 
INFO checking commits: 1 passed.                  
------------------------------------------------------------------------------
INFO downloading pot file from https://github.com/git-l10n/pot-changes/raw/pot/master/po/git.pot 
------------------------------------------------------------------------------
ERROR [po/sv.po@2d10804]	12 new string(s) in 'po/git.pot', but not in your 'po/XX.po' 
ERROR [po/sv.po@2d10804]                           
ERROR [po/sv.po@2d10804]	  > po/git.pot:3646: this message is used but not defined in /tmp/3130663493--sv.po 
ERROR [po/sv.po@2d10804]	  > po/git.pot:9555: this message is used but not defined in /tmp/3130663493--sv.po 
ERROR [po/sv.po@2d10804]	  > po/git.pot:9592: this message is used but not defined in /tmp/3130663493--sv.po 
ERROR [po/sv.po@2d10804]	  > ...                   
ERROR [po/sv.po@2d10804]                           
ERROR [po/sv.po@2d10804]	3 obsolete string(s) in your 'po/XX.po', which must be removed 
ERROR [po/sv.po@2d10804]                           
ERROR [po/sv.po@2d10804]	  > po/XX.po:2140: warning: this message is not used 
ERROR [po/sv.po@2d10804]	  > po/XX.po:11724: warning: this message is not used 
ERROR [po/sv.po@2d10804]	  > po/XX.po:18004: warning: this message is not used 
ERROR [po/sv.po@2d10804]                           
ERROR [po/sv.po@2d10804]	You can download the latest "po/git.pot" file from: 
ERROR [po/sv.po@2d10804]                           
ERROR [po/sv.po@2d10804]		https://github.com/git-l10n/pot-changes/raw/pot/master/po/git.pot 
ERROR [po/sv.po@2d10804]                           
ERROR [po/sv.po@2d10804]	Please rebase your branch to the latest upstream branch, 
ERROR [po/sv.po@2d10804]	run "git-po-helper update po/XX.po" to update your po file, 
ERROR [po/sv.po@2d10804]	and translate the new strings in it. 
ERROR [po/sv.po@2d10804]                           

ERROR: fail to execute "git-po-helper check-commits"

[jiangxin]

Git 2.43.0-rc1 has been released and introduces an additional 12 new messages that require translation. Please update your po file and it will be merged after rc2 is released.